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Weather in Pinellas County for September 2025

Your guide to Pinellas County weather in September - trends and predictions
  • In general, the average temperature in Pinellas County at the beginning of September is 31.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.3 °F by the end of September.

  • Expect significant rainfall in Pinellas County during September, with an average of 19 rainy days.

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Average dry days
11
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/25°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Pinellas County in September average weather

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Temperatures trend during September in Pinellas County

See the weather trend as well as the moving average line

September weather day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Moderate or heavy rain shower
Moderate or heavy rain shower
31° /26° 6.7 mm 7
Sept. 2 Overcast
Overcast
32° /25° 2.2 mm 7
Sept. 3 Partly cloudy
Partly cloudy
31° /25° 3.1 mm 8
Sept. 4 Partly cloudy
Partly cloudy
32° /25° 4 mm 8
Sept. 5 Overcast
Overcast
32° /25° 5.7 mm 7
Sept. 6 Overcast
Overcast
31° /26° 0.1 mm 7
Sept. 7 Partly cloudy
Partly cloudy
32° /26° 1.6 mm 8
Sept. 8 Thundery outbreaks possible
Thundery outbreaks possible
30° /26° 6.3 mm 7
Sept. 9 Patchy rain possible
Patchy rain possible
30° /25° 2.5 mm 7
Sept. 10 Patchy rain possible
Patchy rain possible
31° /26° 5.9 mm 7
Sept. 11 Thundery outbreaks possible
Thundery outbreaks possible
31° /26° 10.2 mm 7
Sept. 12 Fog
Fog
32° /26° 1.1 mm 7
Sept. 13 Partly cloudy
Partly cloudy
30° /26° 1.3 mm 7
Sept. 14 Partly cloudy
Partly cloudy
31° /27° 1 mm 7
Sept. 15 Mist
Mist
31° /26° 1.2 mm 7
Sept. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
30° /25° 12.3 mm 7
Sept. 17 Overcast
Overcast
30° /25° 0.9 mm 7
Sept. 18 Moderate or heavy rain shower
Moderate or heavy rain shower
31° /27° 4.3 mm 7
Sept. 19 Light rain shower
Light rain shower
31° /25° 2.7 mm 8
Sept. 20 Light rain shower
Light rain shower
30° /25° 8.4 mm 8
Sept. 21 Light drizzle
Light drizzle
31° /23° 24.6 mm 8
Sept. 22 Patchy rain possible
Patchy rain possible
31° /23° 11.7 mm 8
Sept. 23 Cloudy
Cloudy
33° /24° 0 mm 8
Sept. 24 Moderate or heavy rain shower
Moderate or heavy rain shower
32° /24° 8.2 mm 8
Sept. 25 Thundery outbreaks possible
Thundery outbreaks possible
31° /25° 22 mm 7
Sept. 26 Patchy light rain with thunder
Patchy light rain with thunder
29° /25° 33.5 mm 7
Sept. 27 Light rain shower
Light rain shower
29° /27° 27.2 mm 7
Sept. 28 Light rain shower
Light rain shower
29° /26° 10 mm 6
Sept. 29 Light rain shower
Light rain shower
31° /25° 11.3 mm 7
Sept. 30 Patchy rain possible
Patchy rain possible
31° /25° 3.1 mm 8
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Important Notice
Our weather forecast for Pinellas County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Pinellas County forecast closer to your planned date for the most up-to-date weather information.

Pinellas County in September - FAQ

What are the expected maximum and minimum temperatures in Pinellas County during September?
During September, expect a variety of temperatures with highs around 31° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Pinellas County during September?
Significant rainfall exceeding 135.4 mm is expected in Pinellas County during September, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Pinellas County during September?
The average wind speed in Pinellas County during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Pinellas County

Explore the daily rainfall trends and prepare for Pinellas Countys September weather 💧

UV exposure in Pinellas County during September

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Location coordinates Where is Pinellas County?

Get accurate weather forecasts for Pinellas County, located at latitude 27.771 and longitude -82.679. Stay updated with localized weather information tailored for Pinellas County.

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